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530521322444 = 221371333972577
BaseRepresentation
bin1111011100001011000…
…10001111001111001100
31212201100221110112120022
413232011202033033030
532143001424304234
61043415041041312
753220545556611
oct7560542171714
91781327415508
10530521322444
11194aa1501823
128699a626238
133b049522299
141b96a9b4508
15dc003d7e2e
hex7b8588f3cc

530521322444 has 24 divisors (see below), whose sum is σ = 935272042320. Its totient is φ = 263301083136.

The previous prime is 530521322381. The next prime is 530521322483. The reversal of 530521322444 is 444223125035.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7273484 + ... + 7346060.

It is an arithmetic number, because the mean of its divisors is an integer number (38969668430).

Almost surely, 2530521322444 is an apocalyptic number.

It is an amenable number.

530521322444 is a deficient number, since it is larger than the sum of its proper divisors (404750719876).

530521322444 is a wasteful number, since it uses less digits than its factorization.

530521322444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86057 (or 86055 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 530521322444 its reverse (444223125035), we get a palindrome (974744447479).

The spelling of 530521322444 in words is "five hundred thirty billion, five hundred twenty-one million, three hundred twenty-two thousand, four hundred forty-four".

Divisors: 1 2 4 137 274 548 13339 26678 53356 72577 145154 290308 1827443 3654886 7309772 9943049 19886098 39772196 968104603 1936209206 3872418412 132630330611 265260661222 530521322444